Millions of years of isolation have shaped Australia's extraordinary mammal fauna into species unlike anywhere else in the ...

Getty Image While Australia is home to some of the most impressive wildlife, it is also home to a sad fact. Being in complete ...

Whales, dolphins and other marine mammals are highly social, but those social ties can also help diseases spread through ...

A large-scale analysis of 117 mammal species found that preventing reproduction is associated with longer lifespans, suggesting a strong link between reproductive activity and life expectancy. Why do ...

Sensitive hearing may have evolved in mammal ancestors far earlier than scientists once believed. By modeling how sound moved ...

Discover more about the egg-laying monotremes of Oceania and the ancient traits they still carry.

Around 11 million years ago, a cooling climate fragmented warm, humid forests in Africa, Asia, and Europe, giving rise to savannas. Many mammals evolved to take advantage of these wide-open spaces, ...

DENVER (KDVR) — Researchers at the Denver Museum of Nature and Science discovered a new mammal species from 65 million years ago. A fossil of a skull and jaws of the newly discovered species were ...

"Prehistoric World" is a new book by Aaron Woodruff, the museum's collection manager for vertebrate paleontology. It includes profiles and illustrations of prehistoric mammals such as Livyatan ...